Process for the production of nanoparticles

Details Process for the production of nanoparticles Process for the production of nanoparticles

1994-11-03

1996-12-17

Walberg, Teresa J.

Electric heating

Metal heating

By arc

75345, 241 1, 264400, B23K 2600

Patent

active

055850200

ABSTRACT:
Nanoparticles are produced by exposing microparticles to an energy beam, particularly to a beam of laser light, above the ablation threshold of the microparticles. Nanoparticles are produced having a narrow size distribution.

REFERENCES:
patent: 4014964 (1977-03-01), Probst et al.
patent: 4226369 (1980-10-01), Botts et al.
patent: 4289952 (1981-09-01), Haggerty
patent: 4472513 (1984-09-01), Menger-Hammond et al.
patent: 4814003 (1989-03-01), Bergner
patent: 5044565 (1991-09-01), Alexander
patent: 5176328 (1993-01-01), Alexander
patent: 5227608 (1993-07-01), Yoshida et al.
patent: 5390864 (1995-02-01), Alexander
Cannon et al., "Sinterable Ceramic Powders from Laser-Driven Reactions: I. Process Description and Modeling", J. Am. Ceram. Soc.,65:324 (1982).
Borsella et al., "Investigation of the Mechanism of Pulsed CO.sub.2 Laser-driven Production of Ultrafine Sinterable (Si.sub.3 N.sub.4 and SiC) Powders", Appl. Surf. Sci., 36:213 (1989).
M. Kato, "Preparation of Ultrafine Particles of Refractory Oxides by Gas Evaporation Method", Jap. J. of Appl. Phys., 15:757 (1976).
Granqvist and Buhrman, "Ultrafine metal particles", J. of Appl. Phys., 47:2200 (1976).
Uyeda, R., "Studies of Ultrafine Particles in Japan: Crystallography. Methods of Preparation and Technological Applications", Progr. Material Sci., 35:1-96 (1991).
Gleiter, H., "Nanocrystalline Materials", Prog. Mater. Sci., 33:223-315 (1989).
Mandich et al., "Reactive etching of positive and negative silicon cluster ions by nitrogen dioxide", J. Chem. Phys., 86:4245-4257 (1987).
Dietz et al., "Laser production of supersonic metal cluster beams", J. Chem. Phys., 74(11) : 6511-6512 (1981).
LaiHing et al., "Photoionization dynamics and abundance patterns in laser vaporized tin and lead clusters", J. Chem. Phys., 87(6) : 3401-3409 (1987).
Poulain et al., "Interactions of Intense Ultraviolet Laser Radiation with Solid Aerosols", J. Appl. Phys., 67:2283 (1990).
Juang et al., "Synthesis of nanometer glass particles by pulsed-laser ablation of microspheres", Applied Phys. Lett., 65(1) : 40-42 (1994).
Carls and Brock, "Propagation of laser breakdown and detonation waves in transparent droplets", Opt. Lett., 113:273 (1988).

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